Teaching HSSC TGT 2023 Mock Test (Latest Pattern) Mathematics Three Dimensional Geometry Angle between two lines
Find the angle between the pair of lines
\(\frac{{x - 5}}{3} = \frac{{y + 2}}{5} = \frac{{z + 2}}{4}\)
And \(\frac{{x - 1}}{1} = \frac{{y - 3}}{1} = \frac{{z - 3}}{2}\)
1
\({\cos ^{ - 1}}\frac{{15}}{{8\sqrt 3 }}\)
2
\({\cos ^{ - 1}}\frac{{2\sqrt 3 }}{{15}}\)
3
\({\cos ^{ - 1}}\frac{{8\sqrt 3 }}{{15}}\)
4
\({\cos ^{ - 1}}\frac{{15}}{{2\sqrt 3 }}\)
5
Not Attempted